<fix>[storage]: ZSTAC-80789 return defensive copy from getPreferBackupStorageTypes#3547

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zstack-robot-2 wants to merge 3 commits into5.5.12from

sync/jin.ma/fix/ZSTAC-80789-5.5.12

Commits on Mar 19, 2026

<fix>[storage]: return defensive copy from getPreferBackupStorageTypes to prevent Bean mutation
MaJin1996
committed

Commits on Mar 20, 2026

<fix>[storage]: replace JUnit test with Groovy integration test for defensive copy fix
MaJin1996
committed
<test>[storage]: improve retainAll bug test with VM and dual BS
MaJin1996
committed